English verb conjugation
CAN PREINVESTIGATE PREINVESTIGATE

Regular verb: preinvestigate preinvestigate - preinvestigate preinvestigated - preinvestigate preinvestigated

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I can preinvestigate preinvestigate you can preinvestigate preinvestigate he can preinvestigate preinvestigate we can preinvestigate preinvestigate you can preinvestigate preinvestigate they can preinvestigate preinvestigate	I can be preinvestigate preinvestigating you can be preinvestigate preinvestigating he can be preinvestigate preinvestigating we can be preinvestigate preinvestigating you can be preinvestigate preinvestigating they can be preinvestigate preinvestigating
Perfect	V-ing perfect
I can have preinvestigate preinvestigated you can have preinvestigate preinvestigated he can have preinvestigate preinvestigated we can have preinvestigate preinvestigated you can have preinvestigate preinvestigated they can have preinvestigate preinvestigated	I can have been preinvestigate preinvestigating you can have been preinvestigate preinvestigating he can have been preinvestigate preinvestigating we can have been preinvestigate preinvestigating you can have been preinvestigate preinvestigating they can have been preinvestigate preinvestigating

Negation

Simple form	V-ing form
I can't preinvestigate preinvestigate you can't preinvestigate preinvestigate he can't preinvestigate preinvestigate we can't preinvestigate preinvestigate you can't preinvestigate preinvestigate they can't preinvestigate preinvestigate	I can't be preinvestigate preinvestigating you can't be preinvestigate preinvestigating he can't be preinvestigate preinvestigating we can't be preinvestigate preinvestigating you can't be preinvestigate preinvestigating they can't be preinvestigate preinvestigating
Perfect	V-ing perfect
I can't have preinvestigate preinvestigated you can't have preinvestigate preinvestigated he can't have preinvestigate preinvestigated we can't have preinvestigate preinvestigated you can't have preinvestigate preinvestigated they can't have preinvestigate preinvestigated	I can't have been preinvestigate preinvestigating you can't have been preinvestigate preinvestigating he can't have been preinvestigate preinvestigating we can't have been preinvestigate preinvestigating you can't have been preinvestigate preinvestigating they can't have been preinvestigate preinvestigating

Interrogative form

Simple form	V-ing form
can I preinvestigate preinvestigate? can you preinvestigate preinvestigate? can he preinvestigate preinvestigate? can we preinvestigate preinvestigate? can you preinvestigate preinvestigate? can they preinvestigate preinvestigate?	can I be preinvestigate preinvestigating? can you be preinvestigate preinvestigating? can he be preinvestigate preinvestigating? can we be preinvestigate preinvestigating? can you be preinvestigate preinvestigating? can they be preinvestigate preinvestigating?
Perfect	V-ing perfect
can I have preinvestigate preinvestigated? can you have preinvestigate preinvestigated? can he have preinvestigate preinvestigated? can we have preinvestigate preinvestigated? can you have preinvestigate preinvestigated? can they have preinvestigate preinvestigated?	can I have been preinvestigate preinvestigating? can you have been preinvestigate preinvestigating? can he have been preinvestigate preinvestigating? can we have been preinvestigate preinvestigating? can you have been preinvestigate preinvestigating? can they have been preinvestigate preinvestigating?

Interro-negative form

Simple form	V-ing form
can't I preinvestigate preinvestigate? can't you preinvestigate preinvestigate? can't he preinvestigate preinvestigate? can't we preinvestigate preinvestigate? can't you preinvestigate preinvestigate? can't they preinvestigate preinvestigate?	can't I be preinvestigate preinvestigating? can't you be preinvestigate preinvestigating? can't he be preinvestigate preinvestigating? can't we be preinvestigate preinvestigating? can't you be preinvestigate preinvestigating? can't they be preinvestigate preinvestigating?
Perfect	V-ing perfect
can't I have preinvestigate preinvestigated? can't you have preinvestigate preinvestigated? can't he have preinvestigate preinvestigated? can't we have preinvestigate preinvestigated? can't you have preinvestigate preinvestigated? can't they have preinvestigate preinvestigated?	can't I have been preinvestigate preinvestigating? can't you have been preinvestigate preinvestigating? can't he have been preinvestigate preinvestigating? can't we have been preinvestigate preinvestigating? can't you have been preinvestigate preinvestigating? can't they have been preinvestigate preinvestigating?